The EL-531TG performs over 273 advanced scientific functions and utilizes a 2-line display and Multi-Line Playback to make scientific equations easier for students to solve. It is ideal for students studying general math, algebra, geometry, and trigonometry. In addition, it can be used for statistics, biology, chemistry, and general science. Hard cover protects from scratches.

Basic Description | |
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Display Type | 2 lines |

Number of Display Digits | 10 |

Power Source | Solar & Battery |

Battery Type | LR44 x1 |

Automatic Power Down | yes |

Keys | Plastic |

Protective Case | yes |

Dimensions | 161 x 80 x 15 mm |

Weight | 110 g |

Mathematical Functions | |

Built-In Functions | 273 |

Entry System | Algebraic (D.A.L.) |

1/x, x², square root, % | yes |

Pi Key | yes |

GCD, LCM | no |

Quotient and Remainder Calculation | no |

Fractions | yes |

Function Table | no |

Equation Solver (Newton) | no |

System of Linear Equations | no |

Matrix and Vector Calculations | no |

Numeric Derivative and Integral | no |

Complex Number Calculation | no |

Training (DRILL) Function | no |

Memory | |

Multi-Line Playback | yes |

Last Answer Recall (ANS) | yes |

Memory Variables | 9 |

Notation and Decimal Places | |

FSE Display (SCI, FIX, ENG) | yes |

3-Digit Punctuation | yes |

Statistics | |

1-Variable Statistics | yes |

2-Variable Statistics | yes |

Regression Calculations | 6 |

Mean, Standard Deviation | yes |

nCr, nPr, n! | yes |

Random Numbers | yes |

Trigonometric Functions | |

Deg, Rad, Grad Modes | yes |

Sin, Cos, Tan, and Inverses | yes |

Hyperbolic Functions | yes |

Sexagesimal and Decimal Conversions | yes |

Rectangular and Polar Coordinates Conversions | yes |

Number Systems | |

Bin, Pen, Oct, Hex, Dec | yes |

Logical Operation (AND, OR, NOT, NEG, XOR) | yes |

Scientific Functions | |

Metric Conversions | no |

Physical Constants | no |

Color & Packaging Variants | |

Box Green | 4974019917061 |

Box Grey | 4974019917054 |

Box White | 4974019917047 |